Beta-Enolase is an enzyme that plays a crucial role in the glycolysis pathway, which is the process cells use to break down glucose for energy. Specifically, it catalyzes the conversion of 2-phosphoglycerate to phosphoenolpyruvate, a key step in energy production. This enzyme is found in various tissues, including muscle and brain, where it helps meet the energy demands of these active cells. Beta-enolase is part of a family of enolases, which are important for cellular metabolism. It exists in two forms: a muscle-specific isoform and a more ubiquitous form found in other tissues. Understanding beta-enolase is important for research in areas like metabolic disorders and muscle physiology.